Here's a picture of the Quested V2108 in my studio, with HOFA basstraps in the front corners and a KRK 10'' subwoofer (not calibrated for music, just for movies).
The HOFA traps brought absolutely zero changes but it's probably due to the fact that I'll need them in the corners behind me as well, I suppose. There is still dramatic cancellation in the bass frequencies in my listening position, but I found an improvement:
Sitting closer to the desk as possible, and bringing the speakers as close as possible to the desk as well, in an ultra nearfield position. So nothing too different from the picture you see, just the speaker closer to me by 20 cm. These few centimeters make a significant difference, surprisingly.
The best listening position is still the one where I have the back at my right wall. So, looking at the picture, try to imagine that the table lamp is directly on my right, and my right ear is the only one in the direction of the speaker. The old position, more or less. But I don't have the physical energy to make more tests at the moment, especially because moving one of the V2018 is tough, might as well be made of concrete.
The V2018 sound great, warm, smooth, good for working and for listening music.
Bass is good, but on the K310 it was insane, and they went down to 34 Hz as well compared to 40 Hz here.
Separation on the KH310 was also phenomenal, but I didn't get used to it, in more than three weeks. I had never listened to a three way speaker before, which is why separation was distracting IMHO.
In retrospect, there was a huge difference between my old HS8 and the KH310. I'm keeping these obviously since I fell in love with them since the moment I saw them and I like how they sound, but with hindsight I've probably been too hard with the KH310, but they still had a few issues that made me return them.
Unless you have some questions for me, I will report back in a year and let you know how was working with the Quested V2108.